Texas Instruments

SN65HVD21DR

The SN65HVD21DR is a 3.3V, 1-channel, low-power RS-485 transceiver from Texas Instruments. It is designed to provide reliable data communication in industrial and commercial applications that require robust and efficient data transmission.

Description:

The SN65HVD21DR is a monolithic integrated circuit that converts TTL/CMOS logic levels to RS-485 bus levels. It features a half-duplex, multidrop communication capability and is designed to meet the requirements of the RS-485 standard. The device includes a driver and a receiver, providing a complete solution for RS-485 communication.

Features:

1. 3.3V operation
2. Low power consumption: 10.5mA typical during receive mode and 11.5mA typical during transmit mode
3. 1-channel, low-cost solution
4. Supports half-duplex, multidrop communication
5. Robust design for reliable data transmission in noisy environments
6. Wide operating temperature range: -40°C to +85°C
7. Small package size: SOIC-8

Applications:

1. Industrial control systems
2. Building automation and control
3. Security and surveillance systems
4. Medical equipment
5. Data acquisition and control systems
6. Point-of-sale (POS) systems
7. Remote monitoring and control systems
8. Networking and communication equipment

The SN65HVD21DR is an ideal choice for applications that require reliable and efficient RS-485 communication with low power consumption and a compact form factor. Its robust design ensures reliable data transmission even in noisy environments, making it suitable for a wide range of industrial and commercial applications.